<template>
    <div class="shoppingCart" v-if="showFlag">
        <!-- 购物车头部 -->
        <div class="cart-header">
            <div class="cart-header-content">
                <p>
                    <i class="el-icon-shopping-cart-full" style="color:#ff6700; font-weight: 600;"></i>
                    我的购物车
                </p>
                <span>温馨提示：产品是否购买成功，以最终下单为准哦，请尽快结算</span>
            </div>
        </div>
        <!-- 购物车头部END -->

        <!-- 购物车主要内容区 -->
        <div class="content" v-if="getShoppingCart.length>0">
            <ul>
                <!-- 购物车表头 -->
                <li class="header">
                    <div class="pro-check">
                        <el-checkbox v-model="isAllCheck" @change="checkAll">全选</el-checkbox>
                    </div>
                    <div class="pro-img"></div>
                    <div class="pro-name">商品名称</div>
                    <div class="pro-price">单价</div>
                    <div class="pro-num">数量</div>
                    <div class="pro-total">小计</div>
                    <div class="pro-action">操作</div>
                </li>
                <!-- 购物车表头END -->

                <!-- 购物车列表 -->
                <li class="product-list" v-for="(item) in getShoppingCart" :key="item.id">
                    <div class="pro-check">
                        <el-checkbox :value="item.check"
                                     @change="chechGood($event,item.productNum,item.productId)"></el-checkbox>
                    </div>
                    <div class="pro-img">
                        <router-link :to="{ path: '/commodity/detial', query: {productID:item.productId}}">
                            <el-image :src="item.productImg"></el-image>
                            <!--              <img :src="item.productImg">-->
                        </router-link>
                    </div>
                    <div class="pro-name">
                        <router-link :to="{ path: '/commodity/detial', query: {productID:item.productId}}">
                            {{ item.productName }}
                        </router-link>
                    </div>
                    <div class="pro-price">{{ item.salePrice }}元</div>
                    <div class="pro-num">
                        <el-input-number
                                size="small"
                                :value="item.productNum"
                                :min="1"
                                :max="item.limitNum"
                                :step="1"
                                @change="updateCartNum($event,item,item.productId)"
                        ></el-input-number>
                    </div>
                    <div class="pro-total pro-total-in">{{ item.salePrice * item.productNum }}元</div>
                    <div class="pro-action">
                        <el-popover placement="right">
                            <p>确定删除吗？</p>
                            <div style="text-align: right; margin: 10px 0 0">
                                <el-button
                                        type="primary"
                                        size="mini"
                                        @click="deleteItem(item.productId)"
                                >确定
                                </el-button>
                            </div>
                            <i class="el-icon-error" slot="reference" style="font-size: 18px;"></i>
                        </el-popover>
                    </div>
                </li>
                <!-- 购物车列表END -->
            </ul>
            <div style="height:20px;background-color: #f5f5f5"></div>
            <!-- 购物车底部导航条 -->
            <div class="cart-bar">
                <div class="cart-bar-left">

                    <!--          <span>-->
                    <!--            <router-link to="/goods">继续购物</router-link>-->
                    <!--          </span>-->

                    <span class="sep">|</span>
                    <span class="cart-total">
            共
            <span class="cart-total-num">{{ getNum }}</span> 件商品，已选择
            <span class="cart-total-num">{{ getCheckNum }}</span> 件
          </span>
                </div>
                <div class="cart-bar-right">
          <span>
            <span class="total-price-title">合计：</span>
            <span class="total-price">{{ getTotalPrice }}元</span>
          </span>
                    <!--                    <router-link :to="getCheckNum > 0 ? '/confirmOrder' : ''">-->
                    <div :class="getCheckNum > 0 ? 'btn-primary' : 'btn-primary-disabled'" @click="settleAccount">去结算
                    </div>
                    <!--                    </router-link>-->
                </div>
            </div>
            <!-- 购物车底部导航条END -->
        </div>
        <!-- 购物车主要内容区END -->

        <!-- 购物车为空的时候显示的内容 -->
        <div v-else class="cart-empty">
            <div class="empty">
                <h2>您的购物车还是空的！</h2>
                <p>快去购物吧！</p>
            </div>
        </div>
        <!-- 购物车为空的时候显示的内容END -->
    </div>
</template>

<script>
    import {mapActions} from "vuex";
    import {mapGetters} from "vuex";

    export default {
        name: "ShoppingCart",
        data() {
            return {
                itemNum: "",//商品数量
                isAllCheck: false,//是否全选
                showFlag: false,//加载页面
            };
        },
        methods: {
            ...mapActions(["updateShoppingCart", "deleteShoppingCart", "setShoppingCart"]),
            //全选按钮
            checkAll() {
                if (this.isAllCheck) {
                    this.check = true;
                    this.$axios
                        .post("/member/checkAll", {
                            "checked": "true",
                            "productId": 0,
                            "productNum": 0,
                            "userId": this.$store.getters.getUser.id
                        })
                        .then(res => {
                            if (res.data.result == 1) {
                                this.getUserCarList();
                            } else {
                                this.notifyError("失败");
                            }
                        })
                        .catch(err => {
                            return Promise.reject(err);
                        })
                } else {
                    this.check = false;
                    this.$axios
                        .post("/member/checkAll", {
                            "checked": "false",
                            "productId": 0,
                            "productNum": 0,
                            "userId": this.$store.getters.getUser.id
                        })
                        .then(res => {
                            if (res.data.result == 1) {
                                this.getUserCarList();
                            } else {
                                this.notifyError("失败");
                            }
                        })
                        .catch(err => {
                            return Promise.reject(err);
                        })
                }
            },
            chechGood($event, productNum, productId) {
                if ($event) {
                    this.$axios
                        .post("/member/updateCartNum", {
                            "checked": "1",
                            "productId": productId,
                            "productNum": productNum,
                            "userId": this.$store.getters.getUser.id
                        })
                        .then(res => {
                            this.getUserCarList();
                        })
                        .catch(err => {
                            return Promise.reject(err);
                        })
                } else {
                    this.$axios
                        .post("/member/updateCartNum", {
                            "checked": "0",
                            "productId": productId,
                            "productNum": productNum,
                            "userId": this.$store.getters.getUser.id
                        })
                        .then(res => {
                            this.getUserCarList();
                        })
                        .catch(err => {
                            return Promise.reject(err);
                        })
                }
            },
            // 修改商品数量的时候调用该函数
            updateCartNum($event, checked, productId) {
                this.$axios
                    .post("/member/updateCartNum", {
                        "checked": "",
                        "productId": productId,
                        "productNum": $event,
                        "userId": this.$store.getters.getUser.id
                    })
                    .then(res => {
                        if (res.data.result == 1) {
                            this.getUserCarList();
                        } else {
                            this.notifyError("失败");
                        }
                    })
                    .catch(err => {
                        return Promise.reject(err);
                    })
            },
            // 删除购物车的数据
            deleteItem(productId) {
                this.$axios
                    .post("/member/delCartItem", {
                        "checked": "1",
                        "productId": productId,
                        "productNum": 0,
                        "userId": this.$store.getters.getUser.id
                    })
                    .then(res => {
                        this.notifySucceed("删除成功");
                        this.getUserCarList();
                    })
                    .catch(err => {
                        return Promise.reject(err);
                    })
            },
            //去结算
            settleAccount() {
                this.$axios
                    .get("/item/getuserunpayment", {
                        params: {
                            "userId": this.$store.getters.getUser.id,
                        }
                    })
                    .then(res => {
                        if (res.data.result != null) {
                            this.notifyError("请先支付上一个未支付的订单");
                            setTimeout(() => {
                                this.$router.push("/personalcenter");
                            }, 1000)
                        }
                        if (this.$store.getters.getUser.balance === null || this.$store.getters.getUser.balance === 0) {
                            this.notifyError("请先充值");
                            setTimeout(() => {
                                this.$router.push("/personalcenter");
                            }, 1000)
                        } else {
                            this.$router.push("/confirmOrder");
                        }

                    })
            },
            //获取用户购物车信息
            getUserCarList() {
                let params = new URLSearchParams();
                params.append("userId", this.$store.getters.getUser.id);
                this.$axios
                    .post("/member/cartList", params)
                    .then(res => {
                        this.setShoppingCart(res.data.result);
                    })
                    .catch(err => {
                        return Promise.reject(err);
                    });
            },
        },
        computed: {
            ...mapGetters([
                "getShoppingCart",
                "getCheckNum",
                "getTotalPrice",
                "getNum"
            ]),
        },
        created() {
            this.$axios
                .post("/member/checkAll", {
                    "checked": "false",
                    "productId": 0,
                    "productNum": 0,
                    "userId": this.$store.getters.getUser.id
                })
                .then(res => {
                    if (res.data.result == 1) {
                        this.getUserCarList();
                    } else {
                        this.notifyError("失败");
                    }
                })
                .catch(err => {
                    return Promise.reject(err);
                })
            this.showFlag = true;
        }
    }
</script>

<style scoped>
    .shoppingCart {
        background-color: #f5f5f5;
        padding-bottom: 20px;
    }

    /* 购物车头部CSS */
    .shoppingCart .cart-header {
        height: 64px;
        border-bottom: 2px solid #ff6700;
        background-color: #fff;
        margin-bottom: 20px;
    }

    .shoppingCart .cart-header .cart-header-content {
        width: 1225px;
        margin: 0 auto;
    }

    .shoppingCart .cart-header p {
        font-size: 28px;
        line-height: 58px;
        float: left;
        font-weight: normal;
        color: #424242;
    }

    .shoppingCart .cart-header span {
        color: #757575;
        font-size: 12px;
        float: left;
        height: 20px;
        line-height: 20px;
        margin-top: 30px;
        margin-left: 15px;
    }

    /* 购物车头部CSS END */

    /* 购物车主要内容区CSS */
    .shoppingCart .content {
        width: 1225px;
        margin: 0 auto;
        background-color: #fff;
    }

    .shoppingCart .content ul {
        background-color: #fff;
        color: #424242;
        line-height: 85px;
    }

    /* 购物车表头及CSS */
    .shoppingCart .content ul .header {
        height: 85px;
        padding-right: 26px;
        color: #424242;
    }

    .shoppingCart .content ul .product-list {
        height: 85px;
        padding: 15px 26px 15px 0;
        border-top: 1px solid #e0e0e0;
    }

    .shoppingCart .content ul .pro-check {
        float: left;
        height: 85px;
        width: 110px;
    }

    .shoppingCart .content ul .pro-check .el-checkbox {
        font-size: 16px;
        margin-left: 24px;
    }

    .shoppingCart .content ul .pro-img {
        float: left;
        height: 85px;
        width: 120px;
    }

    .shoppingCart .content ul .pro-img img {
        height: 80px;
        width: 80px;
    }

    .shoppingCart .content ul .pro-name {
        float: left;
        width: 380px;
    }

    .shoppingCart .content ul .pro-name a {
        color: #424242;
    }

    .shoppingCart .content ul .pro-name a:hover {
        color: #ff6700;
    }

    .shoppingCart .content ul .pro-price {
        float: left;
        width: 140px;
        padding-right: 18px;
        text-align: center;
    }

    .shoppingCart .content ul .pro-num {
        float: left;
        width: 150px;
        text-align: center;
    }

    .shoppingCart .content ul .pro-total {
        float: left;
        width: 120px;
        padding-right: 81px;
        text-align: right;
    }

    .shoppingCart .content ul .pro-total-in {
        color: #ff6700;
    }

    .shoppingCart .content ul .pro-action {
        float: left;
        width: 80px;
        text-align: center;
    }

    .shoppingCart .content ul .pro-action i:hover {
        color: #ff6700;
    }

    /* 购物车表头及CSS END */

    /* 购物车底部导航条CSS */
    .shoppingCart .cart-bar {
        width: 1225px;
        height: 50px;
        line-height: 50px;
        background-color: #fff;
    }

    .shoppingCart .cart-bar .cart-bar-left {
        float: left;
    }

    .shoppingCart .cart-bar .cart-bar-left a {
        line-height: 50px;
        margin-left: 32px;
        color: #757575;
    }

    .shoppingCart .cart-bar .cart-bar-left a:hover {
        color: #ff6700;
    }

    .shoppingCart .cart-bar .cart-bar-left .sep {
        color: #eee;
        margin: 0 20px;
    }

    .shoppingCart .cart-bar .cart-bar-left .cart-total {
        color: #757575;
    }

    .shoppingCart .cart-bar .cart-bar-left .cart-total-num {
        color: #ff6700;
    }

    .shoppingCart .cart-bar .cart-bar-right {
        float: right;
    }

    .shoppingCart .cart-bar .cart-bar-right .total-price-title {
        color: #ff6700;
        font-size: 14px;
    }

    .shoppingCart .cart-bar .cart-bar-right .total-price {
        color: #ff6700;
        font-size: 30px;
    }

    .shoppingCart .cart-bar .cart-bar-right .btn-primary {
        float: right;
        width: 200px;
        text-align: center;
        font-size: 18px;
        margin-left: 50px;
        background: #ff6700;
        color: #fff;
    }

    .shoppingCart .cart-bar .cart-bar-right .btn-primary-disabled {
        float: right;
        width: 200px;
        text-align: center;
        font-size: 18px;
        margin-left: 50px;
        background: #e0e0e0;
        color: #b0b0b0;
    }

    .shoppingCart .cart-bar .cart-bar-right .btn-primary:hover {
        background-color: #f25807;
    }

    /* 购物车底部导航条CSS END */
    /* 购物车主要内容区CSS END */

    /* 购物车为空的时候显示的内容CSS */
    .shoppingCart .cart-empty {
        width: 1225px;
        margin: 0 auto;
    }

    .shoppingCart .cart-empty .empty {
        height: 300px;
        padding: 0 0 130px 558px;
        margin: 65px 0 0;
        background: url(../assets/images/cart-empty.png) no-repeat 124px 0;
        color: #b0b0b0;
        overflow: hidden;
    }

    .shoppingCart .cart-empty .empty h2 {
        margin: 70px 0 15px;
        font-size: 36px;
    }

    .shoppingCart .cart-empty .empty p {
        margin: 0 0 20px;
        font-size: 20px;
    }

    /* 购物车为空的时候显示的内容CSS END */
</style>
